macfb.c revision 1.1.2.6
1 /* $NetBSD: macfb.c,v 1.1.2.6 1999/11/20 08:34:14 scottr Exp $ */ 2 /* 3 * Copyright (c) 1998 Matt DeBergalis 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Matt DeBergalis 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "opt_wsdisplay_compat.h" 33 #include "grf.h" 34 35 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 43 #include <machine/cpu.h> 44 #include <machine/bus.h> 45 46 #include <machine/grfioctl.h> 47 #include <mac68k/nubus/nubus.h> 48 #include <mac68k/dev/grfvar.h> 49 #include <mac68k/dev/macfbvar.h> 50 #include <dev/wscons/wsconsio.h> 51 52 #ifdef WSDISPLAY_COMPAT_ITE 53 #include <machine/iteioctl.h> 54 #endif /* WSDISPLAY_COMPAT_ITE */ 55 56 #include <dev/rcons/raster.h> 57 #include <dev/wscons/wscons_raster.h> 58 #include <dev/wscons/wsdisplayvar.h> 59 60 int macfb_match __P((struct device *, struct cfdata *, void *)); 61 void macfb_attach __P((struct device *, struct device *, void *)); 62 63 struct cfattach macfb_ca = { 64 sizeof(struct macfb_softc), 65 macfb_match, 66 macfb_attach, 67 }; 68 69 const struct wsdisplay_emulops macfb_emulops = { 70 rcons_cursor, 71 rcons_mapchar, 72 rcons_putchar, 73 rcons_copycols, 74 rcons_erasecols, 75 rcons_copyrows, 76 rcons_eraserows, 77 rcons_alloc_attr 78 }; 79 80 struct wsscreen_descr macfb_stdscreen = { 81 "std", 82 0, 0, /* will be filled in -- XXX shouldn't, it's global */ 83 &macfb_emulops, 84 0, 0, 85 WSSCREEN_REVERSE 86 }; 87 88 const struct wsscreen_descr *_macfb_scrlist[] = { 89 &macfb_stdscreen, 90 }; 91 92 const struct wsscreen_list macfb_screenlist = { 93 sizeof(_macfb_scrlist) / sizeof(struct wsscreen_descr *), 94 _macfb_scrlist 95 }; 96 97 static int macfb_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 98 static int macfb_mmap __P((void *, off_t, int)); 99 static int macfb_alloc_screen __P((void *, const struct wsscreen_descr *, 100 void **, int *, int *, long *)); 101 static void macfb_free_screen __P((void *, void *)); 102 static void macfb_show_screen __P((void *, void *)); 103 104 const struct wsdisplay_accessops macfb_accessops = { 105 macfb_ioctl, 106 macfb_mmap, 107 macfb_alloc_screen, 108 macfb_free_screen, 109 macfb_show_screen, 110 0 /* load_font */ 111 }; 112 113 void macfb_init __P((struct macfb_devconfig *)); 114 115 paddr_t macfb_consaddr; 116 static int macfb_is_console __P((paddr_t addr)); 117 #ifdef WSDISPLAY_COMPAT_ITEFONT 118 static void init_itefont __P((void)); 119 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 120 121 static struct macfb_devconfig macfb_console_dc; 122 123 /* From Booter via locore */ 124 extern long videoaddr; 125 extern long videorowbytes; 126 extern long videobitdepth; 127 extern u_long videosize; 128 extern u_int32_t mac68k_vidlog; 129 extern u_int32_t mac68k_vidphys; 130 extern u_int32_t mac68k_vidlen; 131 132 static int 133 macfb_is_console(paddr_t addr) 134 { 135 return ((mac68k_machine.serial_console & 0x03) == 0 136 && (addr == macfb_consaddr)); 137 } 138 139 void 140 macfb_clear(dc) 141 struct macfb_devconfig *dc; 142 { 143 int i, rows; 144 145 /* clear the display */ 146 rows = dc->dc_ht; 147 for (i = 0; rows-- > 0; i += dc->dc_rowbytes) 148 memset((u_char *)dc->dc_vaddr + dc->dc_offset + i, 149 0, dc->dc_rowbytes); 150 } 151 152 void 153 macfb_init(dc) 154 struct macfb_devconfig *dc; 155 { 156 struct raster *rap; 157 struct rcons *rcp; 158 159 macfb_clear(dc); 160 161 #ifdef WSDISPLAY_COMPAT_ITEFONT 162 init_itefont(); 163 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 164 165 rap = &dc->dc_raster; 166 rap->width = dc->dc_wid; 167 rap->height = dc->dc_ht; 168 rap->depth = dc->dc_depth; 169 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 170 rap->pixels = (u_int32_t *)dc->dc_vaddr + dc->dc_offset; 171 172 /* initialize the raster console blitter */ 173 rcp = &dc->dc_rcons; 174 rcp->rc_sp = rap; 175 rcp->rc_crow = rcp->rc_ccol = -1; 176 rcp->rc_crowp = &rcp->rc_crow; 177 rcp->rc_ccolp = &rcp->rc_ccol; 178 rcons_init(rcp, 128, 128); 179 180 macfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow; 181 macfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol; 182 } 183 184 int 185 macfb_match(parent, match, aux) 186 struct device *parent; 187 struct cfdata *match; 188 void *aux; 189 { 190 return (1); 191 } 192 193 void 194 macfb_attach(parent, self, aux) 195 struct device *parent; 196 struct device *self; 197 void *aux; 198 { 199 struct grfbus_attach_args *ga = aux; 200 struct grfmode *gm = ga->ga_grfmode; 201 struct macfb_softc *sc; 202 struct wsemuldisplaydev_attach_args waa; 203 int isconsole; 204 205 sc = (struct macfb_softc *)self; 206 207 printf("\n"); 208 209 isconsole = macfb_is_console(ga->ga_phys + ga->ga_grfmode->fboff); 210 211 if (isconsole) { 212 sc->sc_dc = &macfb_console_dc; 213 sc->nscreens = 1; 214 } else { 215 sc->sc_dc = malloc(sizeof(struct macfb_devconfig), M_DEVBUF, M_WAITOK); 216 sc->sc_dc->dc_vaddr = (vaddr_t)gm->fbbase; 217 sc->sc_dc->dc_paddr = ga->ga_phys; 218 sc->sc_dc->dc_size = gm->fbsize; 219 220 sc->sc_dc->dc_wid = gm->width; 221 sc->sc_dc->dc_ht = gm->height; 222 sc->sc_dc->dc_depth = gm->psize; 223 sc->sc_dc->dc_rowbytes = gm->rowbytes; 224 225 sc->sc_dc->dc_offset = gm->fboff; 226 227 macfb_init(sc->sc_dc); 228 229 sc->nscreens = 1; 230 } 231 232 /* initialize the raster */ 233 waa.console = isconsole; 234 waa.scrdata = &macfb_screenlist; 235 waa.accessops = &macfb_accessops; 236 waa.accesscookie = sc; 237 238 config_found(self, &waa, wsemuldisplaydevprint); 239 240 #if NGRF > 0 241 grf_attach(sc, self->dv_unit); 242 #endif 243 } 244 245 246 int 247 macfb_ioctl(v, cmd, data, flag, p) 248 void *v; 249 u_long cmd; 250 caddr_t data; 251 int flag; 252 struct proc *p; 253 { 254 struct macfb_softc *sc = v; 255 struct macfb_devconfig *dc = sc->sc_dc; 256 struct wsdisplay_fbinfo *wdf; 257 258 switch (cmd) { 259 case WSDISPLAYIO_GTYPE: 260 *(int *)data = dc->dc_type; 261 return 0; 262 263 case WSDISPLAYIO_GINFO: 264 wdf = (struct wsdisplay_fbinfo *)data; 265 wdf->height = dc->dc_raster.height; 266 wdf->width = dc->dc_raster.width; 267 wdf->depth = dc->dc_raster.depth; 268 wdf->cmsize = 256; 269 return 0; 270 271 case WSDISPLAYIO_GCURMAX: 272 case WSDISPLAYIO_GCURPOS: 273 case WSDISPLAYIO_GCURSOR: 274 case WSDISPLAYIO_GETCMAP: 275 case WSDISPLAYIO_GVIDEO: 276 case WSDISPLAYIO_PUTCMAP: 277 case WSDISPLAYIO_SCURPOS: 278 case WSDISPLAYIO_SCURSOR: 279 case WSDISPLAYIO_SVIDEO: 280 /* NONE of these operations are supported. */ 281 return ENOTTY; 282 283 #ifdef WSDISPLAY_COMPAT_ITE 284 case ITEIOC_GETBELL: 285 case ITEIOC_SETBELL: 286 case ITEIOC_RINGBELL: 287 /* NONE of these operations are supported. */ 288 return ENOTTY; 289 290 #endif /* WSDISPLAY_COMPAT_ITE */ 291 } 292 293 return -1; 294 } 295 296 static int 297 macfb_mmap(v, offset, prot) 298 void *v; 299 off_t offset; 300 int prot; 301 { 302 struct macfb_softc *sc = v; 303 struct macfb_devconfig *dc = sc->sc_dc; 304 u_long addr; 305 306 if (offset >= 0 && 307 offset < m68k_round_page(dc->dc_rowbytes * dc->dc_ht)) 308 addr = m68k_btop(dc->dc_paddr + dc->dc_offset + offset); 309 else 310 addr = (-1); /* XXX bogus */ 311 312 return (int)addr; 313 } 314 315 int 316 macfb_alloc_screen(v, type, cookiep, curxp, curyp, defattrp) 317 void *v; 318 const struct wsscreen_descr *type; 319 void **cookiep; 320 int *curxp, *curyp; 321 long *defattrp; 322 { 323 struct macfb_softc *sc = v; 324 long defattr; 325 326 if (sc->nscreens > 0) 327 return (ENOMEM); 328 329 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 330 *curxp = 0; 331 *curyp = 0; 332 rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr); 333 *defattrp = defattr; 334 sc->nscreens++; 335 return (0); 336 } 337 338 void 339 macfb_free_screen(v, cookie) 340 void *v; 341 void *cookie; 342 { 343 struct macfb_softc *sc = v; 344 345 if (sc->sc_dc == &macfb_console_dc) 346 panic("cfb_free_screen: console"); 347 348 sc->nscreens--; 349 } 350 351 void 352 macfb_show_screen(v, cookie) 353 void *v; 354 void *cookie; 355 { 356 } 357 358 int 359 macfb_cnattach(addr) 360 paddr_t addr; 361 { 362 struct macfb_devconfig *dc = &macfb_console_dc; 363 long defattr; 364 365 dc->dc_vaddr = videoaddr; 366 dc->dc_paddr = mac68k_vidphys; 367 368 dc->dc_wid = videosize & 0xffff; 369 dc->dc_ht = (videosize >> 16) & 0xffff; 370 dc->dc_depth = videobitdepth; 371 dc->dc_rowbytes = videorowbytes; 372 373 dc->dc_size = (mac68k_vidlen > 0) ? 374 mac68k_vidlen : dc->dc_ht * dc->dc_rowbytes; 375 dc->dc_offset = 0; 376 377 /* set up the display */ 378 macfb_init(&macfb_console_dc); 379 380 rcons_alloc_attr(&dc->dc_rcons, 0, 0, 0, &defattr); 381 382 wsdisplay_cnattach(&macfb_stdscreen, &dc->dc_rcons, 383 0, 0, defattr); 384 385 macfb_consaddr = addr; 386 dc->isconsole = 1; 387 return (0); 388 } 389 390 #ifdef WSDISPLAY_COMPAT_ITEFONT 391 #include <mac68k/dev/6x10.h> 392 393 void 394 init_itefont() 395 { 396 static int itefont_initted = 0; 397 int i, j; 398 399 extern struct raster_font gallant19; /* XXX */ 400 401 if (itefont_initted) 402 return; 403 itefont_initted = 1; 404 405 /* XXX but we cannot use malloc here... */ 406 gallant19.width = 6; 407 gallant19.height = 10; 408 gallant19.ascent = 0; 409 410 for (i = 32; i < 128; i++) { 411 u_int *p; 412 413 if (gallant19.chars[i].r == NULL) 414 continue; 415 416 gallant19.chars[i].r->width = 6; 417 gallant19.chars[i].r->height = 10; 418 p = gallant19.chars[i].r->pixels; 419 420 for (j = 0; j < 10; j++) 421 *p++ = Font6x10[i * 10 + j] << 26; 422 } 423 } 424 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 425
Indexes created Thu Oct 02 10:09:58 GMT 2025